2-(5-hydroxy-1H-indol-3-yl)acetaldehyde 2-(5-hydroxy-1H-indol-3-yl)ethanal 1892-21-3 1H-INDOLE-3-ACETALDEHYDE, 5-HYDROXY- 5-Hial 5-Hydroxyindoleacetaldehyde Hydroxyindoleacetaldehyde 5-Hydroxyindole-3-acetaldehyde C05634 Indole-3-acetaldehyde, 5-hydroxy- (5-hydroxy-1H-indol-3-yl)acetaldehyde (5-hydroxyindol-3-yl)acetaldehyde CHEBI:2070